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TITLE:
IrfanView Animated Cursor Handling Buffer Overflow

SECUNIA ADVISORY ID:
SA24725

VERIFY ADVISORY:
http://secunia.com/advisories/24725/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
IrfanView 3.x
http://secunia.com/product/2532/

DESCRIPTION:
Marsu Pilami has discovered a vulnerability in IrfanView, which can
be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the
handling of animated cursor (.ANI) files and can be exploited to
cause a stack-based buffer overflow via a specially crafted animated
cursor file.

Successful exploitation allows execution of arbitrary code when a
user e.g. opens a malicious .ANI image.

The vulnerability is confirmed in version 3.99. Other versions may
also be affected.

SOLUTION:
Do not open images from untrusted sources.

PROVIDED AND/OR DISCOVERED BY:
Marsu Pilami

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/3648

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